FM 17-76 Crew Drill and Service of the Piece Medium Tank, M4 Series (105-mm Howitzer) 1944-09-15
"This manual is designed to present instructional material for the platoon leader and tank commander in training the members of the crew of the medium tank with 105-mm howitzer for combat. It is to be used as a guide to achieve orderly, disciplined, efficient execution of mounted and dismounted action, and precision, accuracy, and speed in the service of the piece. It provides a logical and thorough routine for all inspections of the vehicle and its equipment."
Digitized by the Combined Arms Research Library Digital Library, US Army Combined Arms Center. http://cgsc.cdmhost.com/cdm/